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Finding the Fourth Proportional to 371,229.32, 556,934.52 and 118,509.85

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Solution

The fourth proportional to 371,229.32, 556,934.52 and 118,509.85 is: 177,793.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    371,229.32 : 556,934.52 = 118,509.85 : x
  2. Step 2: Convert to fraction form
    371,229.32/556,934.52 = 118,509.85/x
  3. Step 3: Cross multiply
    371,229.32x = 556,934.52 × 118,509.85
  4. Step 4: Simplify right side
    371,229.32x = 66,002,226,425.02
  5. Step 5: Solve for x
    x = 66,002,226,425.02/371,229.32
  6. Step 6: Final answer
    x = 177,793.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.